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220 documents · Page 5 of 11

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Toxicity of Nitrates to Early Life Stages of Salmonid Fish, Ekati Diamond Mine (Sprague Associates, October 2002)
29 October 2002Report
This report evaluates the toxicity of nitrates to early life stages of salmonid fish, with specific application to wastewater from the Ekati Diamond Mine in the Northwest Territories. The analysis examines the Kincheloe et al. (1979) research indicating nitrate toxicity at concentrations around 10 mg/L and recommends this as a tentative water quality criterion, while noting that Moose Lake currently shows rising but still acceptable nitrate levels.
Water Quality Aquatics Fish Habitat
Authorization for Works or Undertaking Affecting Fish Habitat, Ekati Diamond Mine (Fisheries and Oceans Canada, October 2002)
15 October 2002Permit
This is a Department of Fisheries and Oceans authorization permit issued to BHP Billiton Diamonds Inc. for harmful alteration, disruption, or destruction of fish habitat resulting from mining operations at the Ekati Diamond Mine from October 2002 to December 2014. The authorization covers destruction of six lakes and associated streams to access underlying kimberlite ore, with compensation and mitigation measures including habitat substitution at Leslie Lake and creation of compensation projects.
Fish Habitat Regulatory Aquatics Closure & Reclamation
Public Consultation on s.35(2) Fisheries Act Authorization, Sable, Pigeon & Beartooth Kimberlite Pipes (DFO, October 2002)
3 October 2002Regulatory Filing
The Department of Fisheries and Oceans initiates public consultation on a section 35(2) Fisheries Act Authorization for BHP-Billiton Diamond Inc.'s proposed Sable, Pigeon, and Beartooth kimberlite pipe development at Ekati Diamond Mine, with a review period closing October 31, 2002, and habitat compensation to be achieved through substitution of Leslie Lake.
Fish Habitat Regulatory Water Licence Correspondence
Fish Habitat Authorization for Sable, Pigeon & Beartooth Compensation, Ekati Diamond Mine (BHP Billiton, July to October 2002)
3 October 2002Memo
DFO initiates public consultation on a section 35(2) Fisheries Act Authorization for BHP Billiton's proposed expansion of the Ekati Diamond Mine to include Sable, Pigeon, and Beartooth kimberlite pipes, with habitat compensation via substitution of Leslie Lake under the 1996 Fish Habitat Compensation Agreement. The authorization includes habitat loss accounting, fish-out protocols, compensation and monitoring conditions, and a 2:1 habitat ratio requirement for stream mitigation.
Fish Habitat Aquatics Regulatory
Sable, Pigeon and Beartooth Fish Habitat Authorization & No Net Loss Plan Final Report (DFO, October 2002)
3 October 2002Report
This multi-part document initiates DFO's public consultation and authorization process for BHP Billiton Diamonds Inc. to proceed with the harmful alteration, disruption, or destruction of fish habitat associated with the Sable, Pigeon, and Beartooth kimberlite pipe expansion at the Ekati Diamond Mine, with compensation to be provided through substitution of Leslie Lake under a previously agreed 1996 Fish Habitat Compensation Agreement.
Fish Habitat Aquatics Regulatory
Life History Characteristics of Freshwater Fishes Occurring in the Northwest Territories and Nunavut, with Major Emphasis on Riverine Habitat Requirements (DFO, 2002)
~2002Report
Approximate date — inferred from filename
Comprehensive literature review documenting the life history characteristics and riverine habitat requirements of 46 freshwater fish species occurring in the Northwest Territories and Nunavut, with detailed habitat preference data organized by species, developmental stage, and physical habitat features including depth, substrate, cover, and water quality.
Fish Habitat Aquatics Monitoring Water Quality
Sable, Pigeon and Beartooth No Net Loss Plan, Ekati Diamond Mine (BHP Billiton, September 2002)
1 September 2002Report
This No Net Loss Plan documents fish and fish habitat impacts from BHP Billiton's proposed development of three kimberlite pipes (Sable, Pigeon, and Beartooth) at the Ekati Diamond Mine in the Northwest Territories, and outlines habitat compensation strategies to comply with the federal Fisheries Act and DFO's No Net Loss policy.
Fish Habitat Development Plans Regulatory Water Quality Monitoring
Panda Diversion Channel Monitoring Program, Data Synthesis 1998–2001, Technical Report Draft, Ekati Diamond Mine (BHP Billiton, September 2002)
1 September 2002Report
This technical report synthesizes and analyzes hydrologic, benthic invertebrate, periphyton, and fisheries data collected from the Panda Diversion Channel Monitoring Program from 1998–2001, evaluating the effectiveness of the constructed compensation channel that maintains fish passage between North Panda and Kodiak Lakes at the Ekati Diamond Mine. The report presents streamflow hydrographs, rating curves, habitat assessments, and biological community analyses to support future management decisions for the channel through 2007.
Aquatics Benthic Invertebrates Aquatic Effects Monitoring (AEMP)
Leslie Lake Habitat Unit Calculations, Sable, Pigeon & Beartooth Pipes Fisheries Authorization Application (BHP Billiton, July 2002)
16 July 2002Letter
BHP Billiton Diamonds Inc. submits habitat unit calculations for Leslie Lake to the Department of Fisheries and Oceans in support of a Fisheries Authorization Application for the Sable, Pigeon, and Beartooth Kimberlite Pipes. The document provides baseline fisheries data, habitat zone mapping, and weighted habitat unit calculations for three target fish species (Arctic grayling, lake trout, and round whitefish) based on 1994 survey data.
Fish Habitat Aquatics Regulatory Monitoring
Section 35(2) Fisheries Authorization Request, Sable, Pigeon & Beartooth (BHP Billiton, July 2002)
9 July 2002Letter
BHP Billiton Diamonds Inc. requests a Section 35(2) Fisheries Authorization from the Department of Fisheries and Oceans for the proposed expansion of the Ekati Mine to include development of the Sable, Pigeon, and Beartooth kimberlite pipes, exercising its substitution right under the 1996 Fish Habitat Compensation Agreement by removing Leslie Lake from the development plan and offsetting habitat impacts through the proposed developments.
Fish Habitat Aquatics Regulatory
Oral Presentation & Recommendations to the MVLWB re Sable, Pigeon & Beartooth Water Licence and Land Use Permit Applications (IEMA, April 2002)
4 April 2002Presentation
Tony Pearse presents the Independent Environmental Monitoring Agency's oral submission to the Mackenzie Valley Land and Water Board regarding BHP-Billiton's water licence and land-use permit applications for the Sable, Pigeon, and Beartooth pipe developments. The presentation highlights deficiencies in application information and proposes recommendations on issues including fish diversion channel design, waste rock seepage control, geochemical characterization sampling adequacy, aquatic effects monitoring, and closure security provisions.
Regulatory Water Licence Development Plans
Public Hearing for BHP Billiton Expansion, Sable, Pigeon & Beartooth Kimberlite Pipes, Ekati Diamond Mine (MVLWB, April 2002)
4 April 2002Meeting Minutes
Public hearing transcript from April 4-5, 2002, before the Mackenzie Valley Land and Water Board regarding BHP Billiton's applications for water licenses and land use permits for expansion of mining activities at the Sable, Pigeon, and Beartooth kimberlite pipes at the Ekati Diamond Mine. The hearing presents BHP Billiton's project overview, dewatering plans, construction activities, wastewater management, waste rock management, and reclamation approach, all claimed to use proven methods from existing Ekati operations.
Regulatory Development Plans Water Quality Fish Habitat
Patterns and Relationships in Fish Abundance and Fish Habitat in Arctic Waterbodies (Fisheries and Oceans Canada, April 2002)
1 April 2002Report
This data review report evaluates fisheries datasets compiled from fish studies conducted between 1997-2000 in Arctic waterbodies of the Northwest Territories, submitted by proponents BHP Billiton Diamonds and Diavik. The report identifies significant data integrity issues including missing data, formatting problems, and errors in raw datasets that prevent effective incorporation into a relational fisheries database designed to analyze fish habitat and productivity relationships in sub-arctic lakes.
Aquatics Fish Habitat Aquatic Effects Monitoring (AEMP)
Sable, Pigeon and Beartooth No Net Loss Plan, Ekati Diamond Mine (BHP Billiton, March 2002)
29 March 2002Report
This No Net Loss Plan for BHP Billiton's Sable, Pigeon, and Beartooth kimberlite pipe developments at Ekati Diamond Mine quantifies fish habitat losses and compensation requirements across affected water bodies (Pigeon Stream, Big Reynolds Pond, Sable Lake, Two Rock Lake, and Beartooth Lake), using Habitat Unit calculations to meet DFO's Net Gain objective.
Fish Habitat Aquatics Development Plans
Research Papers on Cadmium Toxicity in Salmonid Fish Species (García, Cappelletti & Salibián, March 2002)
19 March 2002Letter
Dennis M. Trotter sends Tracey research papers on cadmium toxicity in salmonid fish species, including studies on sublethal maternal pre-exposure effects, cardiovascular-respiratory responses, tissue uptake, and various physiological impacts of cadmium exposure in fish.
Aquatics Water Quality Fish Habitat Monitoring
Sable, Pigeon & Beartooth Kimberlite Pipes Water Licence Application, Interventions Submitted for Public Hearing (IEMA, March 2002)
2002Regulatory Filing
The Independent Environmental Monitoring Agency submits an intervention to the Mackenzie Valley Land and Water Board regarding BHP Billiton's application for the Sable, Pigeon, and Beartooth mine expansion at Ekati, identifying concerns about fish passage in the Pigeon diversion channel, inadequate tundra soil seepage studies, and insufficient geochemical characterization of waste rock for safe long-term storage.
Regulatory Water Licence Development Plans
Public Hearing Interventions, BHP Billiton Class A Water Licence Application MV2001L2-0008, Sable, Pigeon & Beartooth Kimberlite Pipes (IEMA, March 2002)
2002Regulatory Filing
Mackenzie Valley Land and Water Board (MVLWB) March 18 2002 binder on the BHP Billiton Diamonds Inc. Class A Water Licence Application for the Sable, Pigeon and Beartooth kimberlite pipes. Distribution List includes Jolene Coyina (Dogrib Treaty 11 Council), Lutsel K'e Dene Band Environment Department, Dave Milburn (INAC Water Resources Division), and Ms. Melody McLeod (MVLWB Chairperson). Includes INAC March 13 2002 intervention, Ultimate Closure Liability cost breakdown for Panda / Misery / Koala / Fox / Sable / Pigeon / Beartooth Open Pits (Land, Water, total columns in CAD) — example Ultimate New Proposal totals: Sable $224,604, Pigeon $181,936, Beartooth $135,728.
Regulatory Water Licence Development Plans
Aquatic Baseline Report, Ekati Diamond Mine (BHP Billiton, March 2002)
1 March 2002Report
This 2001 aquatic baseline report by Rescan Environmental Services for BHP Billiton documents comprehensive baseline monitoring of lakes, streams, and aquatic ecosystems in areas of the proposed Sable and Pigeon pit developments at Ekati Diamond Mine, establishing baseline conditions for future impact assessment under the Aquatic Effects Monitoring Program.
Aquatics Aquatic Effects Monitoring (AEMP)Water Quality
Public Hearing Interventions — BHP Billiton Class A Water Licence Application MV2001L2-0008 (Sable, Pigeon & Beartooth), Ekati Diamond Mine (Multiple parties, March 2002)
2002Report
Fisheries and Oceans Canada (DFO Fish Habitat Management, Yellowknife) binder including the March 12 2002 letter to Mackenzie Valley Land and Water Board, the Review and Evaluation of the BHP Billiton Application for Class "A" Water Licence covering long-range atmospheric transport of pollutants and climate-change watershed impacts, Water Management Plan revision recommendations, AEMP expanded geographic scope, and the MVLWB Public Hearing intervention on BHP Billiton's Class A Water Licence Application for development of the Sable, Pigeon and Beartooth kimberlite pipes (Laurie Cordell / Sevn Bohnet DIAND).
Regulatory Water Licence Fish Habitat
Panda Diversion Channel Monitoring Program Appendices, Ekati Diamond Mine (BHP Billiton, December 2001)
1 January 2002Report
The 2001 Panda Diversion Channel Monitoring Program final report presents comprehensive environmental monitoring data from the stream habitat compensation program at Ekati Diamond Mine, including hydrology, fish populations, water quality, benthic communities, and habitat assessments conducted throughout the year.
Aquatics Monitoring Fish Habitat

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220 documents · Page 5 of 11